Finding the Fourth Proportional to 1,832.78, 2,744.52 and 1,214.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,832.78 : 2,744.52 = 1,214.61 : x
2. Step 2: Convert to fraction form
   1,832.78/2,744.52 = 1,214.61/x
3. Step 3: Cross multiply
   1,832.78x = 2,744.52 × 1,214.61
4. Step 4: Simplify right side
   1,832.78x = 3,333,521.44
5. Step 5: Solve for x
   x = 3,333,521.44/1,832.78
6. Step 6: Final answer
   x = 1,818.84